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OMX: clarify EOS signaling for tunneled decoders

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Bug: 22859209
Change-Id: Ie28da1b80e4a8dd5ae2806e300ed37287c9c57a8
This commit is contained in:
Lajos Molnar 2015-08-07 10:07:07 -07:00
parent 62ec2dd563
commit bcaa8d5a6c
2 changed files with 13 additions and 2 deletions
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6
include/media/openmax/OMX_Core.h
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@ -509,7 +509,7 @@ typedef enum OMX_EVENTTYPE
OMX_EventKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ OMX_EventKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
OMX_EventVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */ OMX_EventVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
/** Event when tunneled decoder has rendered an output /** Event when tunneled decoder has rendered an output or reached EOS
* nData1 must contain the number of timestamps returned * nData1 must contain the number of timestamps returned
* pEventData must point to an array of the OMX_VIDEO_RENDEREVENTTYPE structs containing the * pEventData must point to an array of the OMX_VIDEO_RENDEREVENTTYPE structs containing the
* render-timestamps of each frame. Component may batch rendered timestamps using this event, * render-timestamps of each frame. Component may batch rendered timestamps using this event,
@ -518,6 +518,10 @@ typedef enum OMX_EVENTTYPE
* *
* If component is doing frame-rate conversion, it must signal the render time of each * If component is doing frame-rate conversion, it must signal the render time of each
* converted frame, and must interpolate media timestamps for in-between frames. * converted frame, and must interpolate media timestamps for in-between frames.
*
* When the component reached EOS, it must signal an EOS timestamp using the same mechanism.
* This is in addition to the timestamp of the last rendered frame, and should follow that
* frame.
*/ */
OMX_EventOutputRendered = 0x7F000001, OMX_EventOutputRendered = 0x7F000001,
OMX_EventMax = 0x7FFFFFFF OMX_EventMax = 0x7FFFFFFF

9
include/media/openmax/OMX_VideoExt.h
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@ -203,10 +203,17 @@ typedef struct OMX_VIDEO_SLICESEGMENTSTYPE {
OMX_BOOL bEnableLoopFilterAcrossSlices; OMX_BOOL bEnableLoopFilterAcrossSlices;
} OMX_VIDEO_SLICESEGMENTSTYPE; } OMX_VIDEO_SLICESEGMENTSTYPE;
/** Structure to return timestamps of rendered output frames for tunneled components */ /** Structure to return timestamps of rendered output frames as well as EOS
* for tunneled components.
*/
typedef struct OMX_VIDEO_RENDEREVENTTYPE { typedef struct OMX_VIDEO_RENDEREVENTTYPE {
OMX_S64 nMediaTimeUs; // timestamp of rendered video frame OMX_S64 nMediaTimeUs; // timestamp of rendered video frame
OMX_S64 nSystemTimeNs; // system monotonic time at the time frame was rendered OMX_S64 nSystemTimeNs; // system monotonic time at the time frame was rendered
// Use INT64_MAX for nMediaTimeUs to signal that the EOS
// has been reached. In this case, nSystemTimeNs MUST be
// the system time when the last frame was rendered.
// This MUST be done in addition to returning (and
// following) the render information for the last frame.
} OMX_VIDEO_RENDEREVENTTYPE; } OMX_VIDEO_RENDEREVENTTYPE;
#ifdef __cplusplus #ifdef __cplusplus